Convert text to natural-sounding audio via ElevenLabs (returns base64 MP3)
Convert text to natural-sounding audio via ElevenLabs (returns base64 MP3). Pay per call with USDC (x402) or credits - archtools.dev
Answeringour last check, 2026-09-24
1 of 1checks answered this week
211 msmedian answer time
$0.1listed price per call
$0.1price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://archtools.dev/v1/tools/text-to-speech
| Category | Image and media |
|---|---|
| Provider host | archtools.dev |
| Networks | eip155:137, eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 6 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.1 | 211 ms |
Example input (from the provider)
{
"body": {
"text": "example",
"voice_id": "EXAVITQu4vr4xnSDxMaL"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"model_id": {
"description": "ElevenLabs model ID (default: eleven_turbo_v2_5)",
"type": "string"
},
"similarity_boost": {
"description": "Voice similarity boost 0-1 (default: 0.82)",
"type": "number"
},
"stability": {
"description": "Voice stability 0-1 (default: 0.42)",
"type": "number"
},
"text": {
"description": "Text to convert (max 5,000 chars)",
"type": "string"
},
"voice_id": {
"default": "EXAVITQu4vr4xnSDxMaL",
"description": "ElevenLabs voice ID",
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}